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ModelCap

Model decision surface

Compare AI models

Start with DeepSeek V4.1 Flash and Laguna S 2.1, or choose any two current ranked language models. Compare capability evidence, price, context, provider availability, and weight access without pretending one field decides every use case.

Current public data

DeepSeek V4.1 Flash vs Laguna S 2.1

Live dataset updated 9/10/2026, 11:40:10 AM UTC

Open 1200×630 evidence receipt
Factual comparison of DeepSeek V4.1 Flash and Laguna S 2.1
Field
Laguna S 2.1

Poolside

ModelCap position#40#43
Index score65.264.3
EvidenceEstimatedpublisher-corpus-prior over 185 held-out anchors (22%); opens from measured predecessor deepseek/deepseek-v4-flash-0731 (78%); shrunk 2 toward the measured corpusEstimated5 reported rows against measured corpus ladders (70%); global-corpus-prior over 185 held-out anchors (30%); shrunk 4.7 toward the measured corpus
Input / 1M$0.15$0.09
Output / 1M$0.60$0.18
Pricing statusfreshfresh
Context1M1M
Providers31
Weight accessOpen weightsRestricted license

Decision facts

  • DeepSeek V4.1 Flash is #40; Laguna S 2.1 is #43 on the same current language board.
  • Index scores are 65.2 for DeepSeek V4.1 Flash and 64.3 for Laguna S 2.1. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
  • Both positions use Estimated evidence.
  • Listed output price per 1M tokens is $0.60 for DeepSeek V4.1 Flash and $0.18 for Laguna S 2.1. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $0.60 for DeepSeek V4.1 Flash versus $0.27 for Laguna S 2.1. Laguna S 2.1 costs 55.0% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.
  • Published context is 1,048,576 tokens for DeepSeek V4.1 Flash and 1,048,576 for Laguna S 2.1.
  • Weight access differs: DeepSeek V4.1 Flash is open; Laguna S 2.1 is restricted.
  • ModelCap currently lists 3 providers for DeepSeek V4.1 Flash and 1 for Laguna S 2.1.

These are separate published fields, not a synthetic winner. ModelCap does not collapse price, access, context, and capability evidence into a hidden recommendation score.

Each comparison page is a permanent, shareable URL with the same live figures as this tool: ModelCap Index position, API pricing, context window, provider count, weight access and every shared benchmark board.